Araujo Reservoir No. 2, located in Calistoga, California, is a privately owned earth dam completed in 1950 with a height of 33 feet and a storage capacity of 19.8 acre-feet. This reservoir plays a crucial role in water resource management in the region, as it is regulated by the Department of Water Resources for dam safety. Despite being assessed as having a fair condition, the reservoir has a high hazard potential, which highlights the importance of regular inspections and maintenance to ensure its structural integrity.

The reservoir's location in Napa County, California, under the jurisdiction of the Sacramento District, makes it a significant feature in the local landscape. With a drainage area of 1.6 square miles and a hydraulic height of 29.6 feet, Araujo Reservoir No. 2 reflects the ongoing efforts to manage water resources effectively in the face of climate change. The dam's emergency action plan is regularly updated to meet guidelines, ensuring that the community is prepared for any potential risks associated with its operation.

Managed by private owners, Araujo Reservoir No. 2 stands as a testament to the collaborative efforts between government agencies and private entities in safeguarding water resources. As a key component of the region's infrastructure, this reservoir serves as a vital resource for water supply and flood control, emphasizing the importance of sustainable practices in mitigating the impacts of climate change on water availability and quality.